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² https://www.bbc.co.uk/news/uk-40118058#:~:text=NHS%20England%20estimates%20that%20around,inheritance%20and%20the%20hormone%20testosterone.&text=%22This%20effects%20one%20in%20four%20women
³ https://www.menshealthforum.org.uk/hair-loss-faqs#:~:text=Two%2Dthirds%20of%20all%20men,%2C%20followed%20by%20Afro%2DCaribbeans
⁴ https://www.healthline.com/health/cosmetic-surgery/hair-miniaturization#when-to-talk-with-a-doctor
⁵Andrea M. Park (Nov 2018), Hair Biology: Growth and Pigmentation
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⁷https://www.verywellhealth.com/what-is-the-anagen-phase-of-hair-growth-1069411
⁸2Paus, R., & Cotsarelis, G. (2004). The Biology of Hair Follicles, The New England Journal of Medicine, 341, 7
⁹Vladimir A.Botchkarev (2003), Molecular Mechanisms of Chemotherapy-Induced Hair Loss, 8 (1), pp. 72-75
¹⁰S. Basit (2014), Genetics of human isolated heredity hair loss disorders
¹¹Grymowicz et al (2020) Hormonal Effects on Hair Follicles, International Journal of Molecular Sciences, 21 (15), pp.1
¹²Kayla McDonell, RD (August 2021), The 5 Best Vitamins for Hair Growth
¹³https://www.nhs.uk/conditions/hair-loss/